The meeting now is of great importance.A. being heldB. to be heldC. heldD. is being held

问题补充：

The meeting now is of great importance.

A. being held

B. to be held

C. held

D. is being held

答案：

(答案→)A. being held

B. to be held

C. held

D. is being held

解析：考查非谓语动词。句意“现在正在开的会议具有很重要的意义。”根据now可知，是正在进行，而meeting和hold之间是动宾关系，故用被动，相当于which is being held。故选A。